diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c new file mode 100644 index 000000000..00ba550fc --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c @@ -0,0 +1,417 @@ +// SPDX-License-Identifier: ISC + +#include "mt7615.h" + +static int +mt7615_radar_pattern_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + int err; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + mt7615_mutex_acquire(dev); + err = mt7615_mcu_rdd_send_pattern(dev); + mt7615_mutex_release(dev); + + return err; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_pattern, NULL, + mt7615_radar_pattern_set, "%lld\n"); + +static int +mt7615_scs_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + struct mt7615_phy *ext_phy; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + mt7615_mac_set_scs(&dev->phy, val); + ext_phy = mt7615_ext_phy(dev); + if (ext_phy) + mt7615_mac_set_scs(ext_phy, val); + + return 0; +} + +static int +mt7615_scs_get(void *data, u64 *val) +{ + struct mt7615_dev *dev = data; + + *val = dev->phy.scs_en; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get, + mt7615_scs_set, "%lld\n"); + +static int +mt7615_pm_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + return mt7615_pm_set_enable(dev, val); +} + +static int +mt7615_pm_get(void *data, u64 *val) +{ + struct mt7615_dev *dev = data; + + *val = dev->pm.enable; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7615_pm_get, mt7615_pm_set, "%lld\n"); + +static int +mt7615_pm_idle_timeout_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + + dev->pm.idle_timeout = msecs_to_jiffies(val); + + return 0; +} + +static int +mt7615_pm_idle_timeout_get(void *data, u64 *val) +{ + struct mt7615_dev *dev = data; + + *val = jiffies_to_msecs(dev->pm.idle_timeout); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7615_pm_idle_timeout_get, + mt7615_pm_idle_timeout_set, "%lld\n"); + +static int +mt7615_dbdc_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + if (val) + mt7615_register_ext_phy(dev); + else + mt7615_unregister_ext_phy(dev); + + return 0; +} + +static int +mt7615_dbdc_get(void *data, u64 *val) +{ + struct mt7615_dev *dev = data; + + *val = !!mt7615_ext_phy(dev); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7615_dbdc_get, + mt7615_dbdc_set, "%lld\n"); + +static int +mt7615_fw_debug_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + dev->fw_debug = val; + + mt7615_mutex_acquire(dev); + mt7615_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0); + mt7615_mutex_release(dev); + + return 0; +} + +static int +mt7615_fw_debug_get(void *data, u64 *val) +{ + struct mt7615_dev *dev = data; + + *val = dev->fw_debug; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7615_fw_debug_get, + mt7615_fw_debug_set, "%lld\n"); + +static int +mt7615_reset_test_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + struct sk_buff *skb; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + skb = alloc_skb(1, GFP_KERNEL); + if (!skb) + return -ENOMEM; + + skb_put(skb, 1); + + mt7615_mutex_acquire(dev); + mt76_tx_queue_skb_raw(dev, 0, skb, 0); + mt7615_mutex_release(dev); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_reset_test, NULL, + mt7615_reset_test_set, "%lld\n"); + +static void +mt7615_ampdu_stat_read_phy(struct mt7615_phy *phy, + struct seq_file *file) +{ + struct mt7615_dev *dev = file->private; + u32 reg = is_mt7663(&dev->mt76) ? MT_MIB_ARNG(0) : MT_AGG_ASRCR0; + bool ext_phy = phy != &dev->phy; + int bound[7], i, range; + + if (!phy) + return; + + range = mt76_rr(dev, reg); + for (i = 0; i < 4; i++) + bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1; + + range = mt76_rr(dev, reg + 4); + for (i = 0; i < 3; i++) + bound[i + 4] = MT_AGG_ASRCR_RANGE(range, i) + 1; + + seq_printf(file, "\nPhy %d\n", ext_phy); + + seq_printf(file, "Length: %8d | ", bound[0]); + for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) + seq_printf(file, "%3d -%3d | ", + bound[i], bound[i + 1]); + seq_puts(file, "\nCount: "); + + range = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0; + for (i = 0; i < ARRAY_SIZE(bound); i++) + seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + range]); + seq_puts(file, "\n"); + + seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); + seq_printf(file, "PER: %ld.%1ld%%\n", + phy->mib.aggr_per / 10, phy->mib.aggr_per % 10); +} + +static int +mt7615_ampdu_stat_show(struct seq_file *file, void *data) +{ + struct mt7615_dev *dev = file->private; + + mt7615_mutex_acquire(dev); + + mt7615_ampdu_stat_read_phy(&dev->phy, file); + mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file); + + mt7615_mutex_release(dev); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(mt7615_ampdu_stat); + +static void +mt7615_radio_read_phy(struct mt7615_phy *phy, struct seq_file *s) +{ + struct mt7615_dev *dev = dev_get_drvdata(s->private); + bool ext_phy = phy != &dev->phy; + + if (!phy) + return; + + seq_printf(s, "Radio %d sensitivity: ofdm=%d cck=%d\n", ext_phy, + phy->ofdm_sensitivity, phy->cck_sensitivity); + seq_printf(s, "Radio %d false CCA: ofdm=%d cck=%d\n", ext_phy, + phy->false_cca_ofdm, phy->false_cca_cck); +} + +static int +mt7615_radio_read(struct seq_file *s, void *data) +{ + struct mt7615_dev *dev = dev_get_drvdata(s->private); + + mt7615_radio_read_phy(&dev->phy, s); + mt7615_radio_read_phy(mt7615_ext_phy(dev), s); + + return 0; +} + +static int mt7615_read_temperature(struct seq_file *s, void *data) +{ + struct mt7615_dev *dev = dev_get_drvdata(s->private); + int temp; + + if (!mt7615_wait_for_mcu_init(dev)) + return 0; + + /* cpu */ + mt7615_mutex_acquire(dev); + temp = mt7615_mcu_get_temperature(dev, 0); + mt7615_mutex_release(dev); + + seq_printf(s, "Temperature: %d\n", temp); + + return 0; +} + +static int +mt7615_queues_acq(struct seq_file *s, void *data) +{ + struct mt7615_dev *dev = dev_get_drvdata(s->private); + int i; + + mt7615_mutex_acquire(dev); + + for (i = 0; i < 16; i++) { + int j, wmm_idx = i % MT7615_MAX_WMM_SETS; + int acs = i / MT7615_MAX_WMM_SETS; + u32 ctrl, val, qlen = 0; + + val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, wmm_idx)); + ctrl = BIT(31) | BIT(15) | (acs << 8); + + for (j = 0; j < 32; j++) { + if (val & BIT(j)) + continue; + + mt76_wr(dev, MT_PLE_FL_Q0_CTRL, + ctrl | (j + (wmm_idx << 5))); + qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, + GENMASK(11, 0)); + } + seq_printf(s, "AC%d%d: queued=%d\n", wmm_idx, acs, qlen); + } + + mt7615_mutex_release(dev); + + return 0; +} + +static int +mt7615_queues_read(struct seq_file *s, void *data) +{ + struct mt7615_dev *dev = dev_get_drvdata(s->private); + static const struct { + char *queue; + int id; + } queue_map[] = { + { "PDMA0", MT_TXQ_BE }, + { "MCUQ", MT_TXQ_MCU }, + { "MCUFWQ", MT_TXQ_FWDL }, + }; + int i; + + for (i = 0; i < ARRAY_SIZE(queue_map); i++) { + struct mt76_queue *q = dev->mt76.q_tx[queue_map[i].id]; + + if (!q) + continue; + + seq_printf(s, + "%s: queued=%d head=%d tail=%d\n", + queue_map[i].queue, q->queued, q->head, + q->tail); + } + + return 0; +} + +static int +mt7615_rf_reg_set(void *data, u64 val) +{ + struct mt7615_dev *dev = data; + + mt7615_rf_wr(dev, dev->debugfs_rf_wf, dev->debugfs_rf_reg, val); + + return 0; +} + +static int +mt7615_rf_reg_get(void *data, u64 *val) +{ + struct mt7615_dev *dev = data; + + *val = mt7615_rf_rr(dev, dev->debugfs_rf_wf, dev->debugfs_rf_reg); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_reg, mt7615_rf_reg_get, mt7615_rf_reg_set, + "0x%08llx\n"); + +int mt7615_init_debugfs(struct mt7615_dev *dev) +{ + struct dentry *dir; + + dir = mt76_register_debugfs(&dev->mt76); + if (!dir) + return -ENOMEM; + + if (is_mt7615(&dev->mt76)) + debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir, + mt7615_queues_read); + else + debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir, + mt76_queues_read); + debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, + mt7615_queues_acq); + debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt7615_ampdu_stat_fops); + debugfs_create_file("scs", 0600, dir, dev, &fops_scs); + debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc); + debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); + debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); + debugfs_create_file("idle-timeout", 0600, dir, dev, + &fops_pm_idle_timeout); + debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir, + mt7615_radio_read); + debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); + /* test pattern knobs */ + debugfs_create_u8("pattern_len", 0600, dir, + &dev->radar_pattern.n_pulses); + debugfs_create_u32("pulse_period", 0600, dir, + &dev->radar_pattern.period); + debugfs_create_u16("pulse_width", 0600, dir, + &dev->radar_pattern.width); + debugfs_create_u16("pulse_power", 0600, dir, + &dev->radar_pattern.power); + debugfs_create_file("radar_trigger", 0200, dir, dev, + &fops_radar_pattern); + debugfs_create_file("reset_test", 0200, dir, dev, + &fops_reset_test); + debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir, + mt7615_read_temperature); + + debugfs_create_u32("rf_wfidx", 0600, dir, &dev->debugfs_rf_wf); + debugfs_create_u32("rf_regidx", 0600, dir, &dev->debugfs_rf_reg); + debugfs_create_file_unsafe("rf_regval", 0600, dir, dev, + &fops_rf_reg); + + return 0; +} +EXPORT_SYMBOL_GPL(mt7615_init_debugfs); |